Yellowknife in May
In May, Yellowknife averages 11°C (51°F) during the day and 1°C (34°F) at night, with around 10 days of rain (25 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
May in Yellowknife is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How May compares to the rest of the year in Yellowknife
May is in the middle of the year for warmth in Yellowknife (5th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature runs 11°C above the annual average (0°C). May runs 13°C warmer than April (-2°C) and warms a further 8°C into June (19°C).
May sunrise & sunset in Yellowknife
Times shown for Yellowknife local time (America/Yellowknife), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Yellowknife — May
Golden-hour and blue-hour windows for the 15th of May, in Yellowknife's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Yellowknife in May
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Shoulder) and Yellowknife's popularity.
Crowds & pricing — May in Yellowknife
Yellowknife is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — May in Yellowknife
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Yellowknife in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -21°C / -5°F | -26°C / -15°F | 15 mm | 12 | — |
| February | -22°C / -7°F | -28°C / -19°F | 7 mm | 9 | — |
| March | -12°C / 10°F | -20°C / -3°F | 12 mm | 9 | — |
| April | -2°C / 28°F | -10°C / 14°F | 12 mm | 9 | — |
| May | 11°C / 51°F | 1°C / 34°F | 25 mm | 10 | — |
| June | 19°C / 65°F | 9°C / 49°F | 33 mm | 13 | — |
| July | 21°C / 70°F | 13°C / 56°F | 40 mm | 12 | — |
| August | 18°C / 65°F | 12°C / 53°F | 54 mm | 18 | — |
| September | 11°C / 52°F | 6°C / 42°F | 28 mm | 14 | — |
| October | 2°C / 36°F | -2°C / 29°F | 25 mm | 15 | — |
| November | -10°C / 15°F | -15°C / 4°F | 20 mm | 12 | — |
| December | -18°C / -1°F | -24°C / -12°F | 14 mm | 9 | — |
Other cities with similar May weather
🌍 See the full ranked list of climate twins for Yellowknife in May →
Frequently asked questions
How hot is Yellowknife in May?
In May, Yellowknife averages a high of 11°C (51°F) and a low of 1°C (34°F) — generally cool.
Does it rain a lot in Yellowknife in May?
May can be fairly wet in Yellowknife, with about 10 rainy days on average.
Is May a good time to visit Yellowknife?
May is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Yellowknife in May?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full May packing list for Yellowknife for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.